Apráez-Guerrero, José Edmundo, David Delgado-Jurado, and Carlos Solarte-Portilla. 2016. “In Vitro Evaluation of Methane Production in New Zealand Pasture Varieties of the High Plateau of Nariño”. Revista Veterinaria Y Zootecnia (On Line) 10 (2):90-105. https://doi.org/10.17151/vetzo.2016.10.2.8.